perhaps, a third explosion that n never occurred. this is the memory they will have. of people helping people, people coming together in a time of incredible trouble and violence. that's the spirit of this city. that's the spirit of this country. we will go on. >> you're right, mike. there was some evil yesterday, but there was a lot more good up in boston. thanks so much, mike barnicle, for your perspective this morning. >> you're welcome. coming up next, eyewitnesses share their firsthand accounts of the boston marathon bombing as it happened. that's right after this. ♪ [ elevator bell dings ] ♪ wow. ♪ what? ♪ mmm. it looks delicious! i didn't work out this morning. i should try it? yeah. actually pretty tasty. sausage, egg and cheese. mmm! this is from special k? no way! that changes things. [ female announcer ] new special k flatbread breakfast sandwiches. with multi-grain flatbread, eggs, sausage, and cheese. it's only 240 calories. if you guys can come back tomorrow, it'd be fantastic. [ female announcer ] a breakfast revelation. what will you gain when you lose?